In a Universe that's more than 13 billion years old and home to hundreds of billions of stars, one question still haunts humanity: Why haven't we found life beyond Earth?

Seems unintuitive, but the mounting list of lifeless planets might be exactly what scientists need to figure out how common ...

The idea that extreme heat could one day cause a mass extinction and end the dominance of humans is not as farfetched as it ...

Uranus seemed like a fairly calm, blue-green planet. But new findings from Hubble paint a different picture of Uranus.

What can exozodiacal dust, also called exozodi, teach astronomers about identifying Earth-like exoplanets? This is what a ...

A new way to measure the length of Uranus’s day could also help determine the rotation rates of other celestial ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

Combining with one other previously confirmed planet, one of our closest stellar neighbors now has a family of four.

What happens if, after all our searching, we don’t find any signs of life on other planets? A group of scientists led by Dr.

A trip to planets outside our solar system could tell scientists a lot — even if no extraterrestrial life is found ...

This Research Topic collects papers centered around the presentations delivered by esteemed speakers during our 10th ...

Even if no life is found on other planets, smart survey design and careful statistics can still reveal how rare, or common, ...